Home / 26,989.86-40,690.31-25,087.17

Finding the Fourth Proportional to 26,989.86, 40,690.31 and 25,087.17

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Solution

The fourth proportional to 26,989.86, 40,690.31 and 25,087.17 is: 37,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.86 : 40,690.31 = 25,087.17 : x
  2. Step 2: Convert to fraction form
    26,989.86/40,690.31 = 25,087.17/x
  3. Step 3: Cross multiply
    26,989.86x = 40,690.31 × 25,087.17
  4. Step 4: Simplify right side
    26,989.86x = 1,020,804,698.99
  5. Step 5: Solve for x
    x = 1,020,804,698.99/26,989.86
  6. Step 6: Final answer
    x = 37,821.79

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.